From e7c6a1afa2b62888ff78679a7a48b4e303b4a8a6 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Wed, 11 Jun 2014 10:19:53 +0200
Subject: [PATCH] Fix debug info for main chunk of stripped bytecode.

---
 src/lj_debug.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lj_debug.c b/src/lj_debug.c
index 4653a4ec..effb4841 100644
--- a/src/lj_debug.c
+++ b/src/lj_debug.c
@@ -463,7 +463,7 @@ int lj_debug_getinfo(lua_State *L, const char *what, lj_Debug *ar, int ext)
 	lj_debug_shortname(ar->short_src, name);
 	ar->linedefined = (int)firstline;
 	ar->lastlinedefined = (int)(firstline + pt->numline);
-	ar->what = firstline ? "Lua" : "main";
+	ar->what = (firstline || !pt->numline) ? "Lua" : "main";
       } else {
 	ar->source = "=[C]";
 	ar->short_src[0] = '[';